bottender-compose/lib/parallel.js

An utility library for bottender and higher-order handlers

"use strict";

// FIXME: export public API or somehow improve this
const {
  run
} = require('bottender/dist/bot/Bot');

module.exports = actions => {
  const Fn = (context, props) => Promise.all(actions.map(action => run(action)(context, props)));

  const names = actions.map(action => action.name || 'Anonymous');
  const name = `Parallel(${names.join(', ')})`;
  Object.defineProperty(Fn, 'name', {
    value: name
  });
  return Fn;
};